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All questions asked by Richard Terrett

List all solved & unsolved questions asked by Richard Terrett

Do system font (TTF/OTF) forms of the Kepler Project fonts (kpfonts) exist?

3   TeX - LaTeX Asked on 05/23/2021

fonts  kpfonts 

Is there an explicit construction of this bijection?

2   Mathematics Asked on 11/01/2021

combinatorial proofs  combinatorics 

How can I determine the radius of 4 identical circles inside an equilateral triangle $ABC$?

5   Mathematics Asked on 11/01/2021

analytic geometry  circles  geometry  triangles  trigonometry 

Prove that $tan^{-1}frac{sqrt{1+x^2}+sqrt{1-x^2}}{sqrt{1+x^2}-sqrt{1-x^2}}=frac{pi}{4}+frac 12 cos^{-1}x^2$

4   Mathematics Asked on 11/01/2021

algebra precalculus  inverse function  solution verification  trigonometry 

Why is my value for the length of daylight wrong?

2   Mathematics Asked on 11/01/2021

algebra precalculus  geometry  mathematical astronomy  trigonometry 

Is this the right way of solving $frac{d}{dx}(sin(x)cdot x^2)$

1   Mathematics Asked on 11/01/2021

calculus  derivatives  solution verification 

If$|f(x)-f(y)|le (x-y)^2$, prove that $f$ is constant

3   Mathematics Asked on 11/01/2021

real analysis  solution verification 

How to evaluate $int _0^{infty }frac{ln left(x^3+1right)}{left(x^2+1right)^2}:dx$ without complex analysis

2   Mathematics Asked on 11/01/2021

definite integrals  integration 

Given an $ntimes ntimes n$ cube, what is the largest number of $1times 1times 1$ blocks that a plane can cut through?

5   Mathematics Asked on 11/01/2021

combinatorial geometry  combinatorics  geometry  recreational mathematics 

Does the center of a perfect group not contain all elements of prime order?

3   Mathematics Asked on 11/01/2021

abstract algebra  finite groups  group theory  reference request 

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